cram ‧ pon /ˈkræmpɒn $ -pɑːn/ BrE AmE noun [countable usually plural]
[ Date: 1200-1300 ; Language: Old French ; Origin: Low German krampe ; ⇨ ↑ cramp 2 ]
a piece of metal with sharp points that mountain climbers fasten under their boots to stop them slipping on ice or snow